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PDF V420H1-LH4 Data sheet ( Hoja de datos )
| Número de pieza | V420H1-LH4 | |
| Descripción | TFT LCD Module | |
| Fabricantes | CHI MEI | |
| Logotipo |  |
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Global LCD Panel Exchange Center
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Issue Date:Jun.25.2008
Model No.: V420H1-LH4
Preliminary
TFT LCD Preliminary Specification
MODEL NO.: V420H1 – LH4
Customer: _________________________________
Approved by:_______________________________
Note:
Approved By
Reviewed By
TV Head Division
LY Chen
QRA Dept.
Tomy Chen
Product Development Div.
WT Lin
Prepared By
LCD TV Marketing and Product Management Div.
Ken Wu CY Chang
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Issue Date:Jun.25.2008
Model No.: V420H1-LH4
Preliminary
1. GENERAL DESCRIPTION
1.1 OVERVIEW
V420H1-LH4 is a 42” TFT Liquid Crystal Display module with 24-CCFL Backlight unit and 4ch-LVDS interface.
This module supports 1920 x 1080 Full HDTV format and can display true 1.07G colors (10-bit/color). The
inverter module for backlight is built-in.
1.2 FEATURES
Ё High brightness (500 nits)
Ё High contrast ratio (4000:1)
Ё Fast response time (Gray to gray average 4.0 ms)
Ё High color saturation (NTSC 92%)
Ё Full HDTV (1920 x 1080 pixels) resolution, true HDTV format
Ё DE (Data Enable) only mode
Ё LVDS (Low Voltage Differential Signaling) interface
Ё Optimized response time for 120 Hz frame rate
Ё Ultra wide viewing angle : Super MVA technology
Ё RoHS compliance
1.3 APPLICATION
Ё Standard Living Room TVs.
Ё Public Display Application.
Ё Home Theater Application.
Ё MFM Application.
1.4 GENERAL SPECIFICATIONS
Item
Specification
Unit Note
Active Area
Bezel Opening Area
930.24(H) x 523.26 (V) (42.02” diagonal)
mm
(1)
937.24 (H) x 530.26 (V)
mm
Driver Element
a-si TFT active matrix
--
Pixel Number
1920 x R.G.B. x 1080
pixel
-
Pixel Pitch(Sub Pixel)
0.1615 (H) x 0.4845 (V)
mm -
Pixel Arrangement
RGB vertical stripe
--
Display Colors
1.07G
color
-
Display Operation Mode
Transmissive mode / Normally black
--
Surface Treatment
Hot Coating Low Reflection
- (2)
Note (1) Please refer to the attached drawings in chapter 9 for more information about the front and back outlines.
Note (2) The spec. of the surface treatment is temporarily for this phase. CMO reserves the rights to change this
feature.
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Issue Date:Jun.25.2008
Model No.: V420H1-LH4
Preliminary
3.2 BACKLIGHT CONNECTOR PIN CONFIGURATION
3.2.1 LAMP SPECIFICATION
(Ta = 25 ± 2 ºC)
Parameter
Lamp Input Voltage
Lamp Current
Lamp Turn On Voltage
Operating Frequency
Lamp Life Time
Symbol
VL
IL
VS
FL
LBL
Min.
-
4.5
-
-
40
50,000
Value
Typ.
(1490)
5.0
-
-
-
60,000
Max.
-
5.5
(2370)
(2160)
70
-
Unit Note
VRMS -
mARMS (1)
VRMS Ta = 0 ºC
VRMS Ta = 25 ºC
KHz
Hrs (2)
3.2.2 ELECTRICAL SPECIFICATION
(Ta = 25 ± 2 ºC)
Parameter
Symbol
Min.
Value
Typ.
Max.
Unit
Note
Power Consumption PBL - 170 - W (5), IL =5.0mA
Power Supply Voltage VBL 22.8 24.0 25.2 VDC
Power Supply Current IBL - 7.1 - A Non Dimming
Input Ripple Noise
--
- 912 mVP-P VBL=22.8V
Oscillating Frequency
FW 40
43
46 kHz
Dimming frequency
FB 150 160 170 Hz
Minimum Duty Ratio
DMIN
-
10
-%
Note (1) Lamp current is measured by utilizing AC current probe and its value is average by measuring master
and slave board.
Note (2) The lamp starting voltage VS should be applied to the lamp for more than 1 second after startup.
Otherwise the lamp may not be turned on.
Note (3) The lamp frequency may produce interference with horizontal synchronous frequency of the display input
signals, and it may result in line flow on the display. In order to avoid interference, the lamp frequency
should be detached from the horizontal synchronous frequency and itó harmonics as far as possible.
Note (4) The life time of a lamp is defined as when the brightness is larger than 50% of its original value and the
effective discharge length is longer than 80% of its original length (Effective discharge length is defined
as an area that has equal to or more than 70% brightness compared to the brightness at the center point
of lamp.) as the time in which it continues to operate under the condition at Ta = 25 ±2к and IL =4.5~
5.5mArms.
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